LB-52NS神鋼焊條進口廠家報價裂縫的位置在焊縫、熔合線及熱影響區。裂縫呈晶間破壞，從斷面上可看到明顯的氧化色。焊接結晶過程中，微量氧與銅形成Cu2O，并與α銅組成低熔點共晶（α+Cu2O），其熔點為1064℃。鉛不溶于固態銅，鉛與銅生成熔點約326℃的低熔點共晶體。高溫下的銅及銅合金接頭在焊接內應力的作用下，在焊接接頭的脆弱部位形成裂紋。另外，焊縫中的氫也可導致裂紋。 碳化鉻耐磨鋼管鑄件焊補 堆焊層焊接應力的釋放 好學上進由于焊接熱應力的作用，復合鋼板的堆焊層表面分布著許多裂紋，這些裂紋可以起到釋放焊接應力、減少母板變形的作用。堆焊層的裂紋應該是細小、分散、無序、不深入母板的、與焊道長度方向垂直的裂紋。這種裂紋是焊接過程中應力釋放的結果，有助于提高復合耐磨板的韌性，防止耐磨層脫落。此外，高鉻耐磨堆焊板的加工性能良好，其表面的細絲狀應力釋放裂紋，也可避免耐磨復合鋼板在加工過程中發生脫落、剝離。進口超合金NI-ROD 99X鎳基焊條哪里有賣原裝進口美國SMC超合金NI-ROD 99X鑄鐵鎳基焊條 品牌 美國SMC 型號 NI-ROD 99X 產地 美國 類型 多款供選 材質 鑄鐵 助焊劑含量 20（%） 焊絲直徑 0.8/1.0/1.2/1.6（mm） 熔點 680（℃） 長度 1000 重量 15000（g） 用途 廣泛 工作溫度 常溫 產品說明 型號：NI-ROD 99X NI-ROD 99X NI-ROD 99X 焊條對鑄鐵焊接來說是第一流的材料，具有優異的全位置焊接性能，其易操作性可與碳鋼焊條相媲美。99X焊條具有工業純度級別的純鎳核心，推薦用于薄壁鑄鐵結構的焊接，以及用于對單層或單道焊縫的機械性能有較高要求的情況。 NI-ROD 99X 焊條可以用于灰口鑄鐵、球墨鑄鐵、致密石墨鑄鐵、可鍛鑄鐵和各種鐵合金自身之間、相互之間以及它們與鋼、不銹鋼和鎳合金之間的焊接。 NI-ROD 99X 焊條適用于全位置焊接。能量供給：優先推薦直流反接方式，也可用交流電源。美國阿克斯鎳基焊條

Bare Wires
Arcos AWS Military Applications
382 ERNiCr-3 EN/RN82 Welding of alloys 600, 601 and alloy 800 to themselves and dissimilar welding of stainless to carbon steels.
352 ERNiCrFe-7 N/A Weld NiCrFe alloys ASTM B163, 166, 167 and 168.
392 ERNiCrFe-6 EN6A/RN6A Clad steel with NiCrFe weld metal and join steel and stainless steel to nickel base alloys.
617 ERNiCrCoMo-1 N/A Weld NiCrCoMo base material and join various dissimilar high-temperature alloys.
625 ERNiCrMo-3 EN/RN625 Useful for various dissimilar joints involving nickel alloys, carbon steel, low alloy and stainless steels. Primarily used on alloys 625, 601, 802 and 9% nickel.
651
(99 Nickel) ERNi-Cl N/A Commercially pure nickel for welding ductile, malleable and grey cast iron.
813 ERCuNi EN/RN67 Weld 70/30, 80/20 and 90/10 copper nickel alloys.
816 ERNiCu-7 EN/RN60 Weld nickel-copper alloys B127, 163, 164 and 165.
861 ERNi-1 EN/RN61 Weld wrought and cast forms of commercially pure nickel ASTM B160, 161, 162 and 163.
2216
(44 Nickel) ERNiFeMn-Cl N/A Developed for welding of nodular, grey, spheroidal graphite and malleable cast irons to themselves or to other materials including stainless steel, carbon steel, low alloy steel and various nickel alloys.
C-276 ERNiCrMo-4 N/A Weld NiCrMo base metal to itself, steel and most other nickel based alloys
622 ERNiCrMo-10 N/A Weld NiCrMo alloys to itself, steel, to other nickel base alloys and for cladding steel with NiCrMo weld metal.
Alloy 59 ERNiCrMo-13 N/A This nickel-chromium-molybdenum alloy is used to weld low-carbon NiCrMo alloys.
Covered Electrodes
Arcos AWS Military Applications
1N12 ENiCrMo-3 1N12 Use to join NiCrMo alloys such as 625, 800, 801, 825 and 600.
8N12 ENiCrFe-3 8N12/H Weld similar NiCrFe composition base metals to themselves and carbon steel.
4N1A ENiCrFe-2 4N1A This electrode is used for various dissimilar combinations of austenitic and ferritic steels and high nickel alloys. Also can be used for welding 9% nickel.
9N10 ENiCu-7 9N10 Primarily used for welding nickel copper alloys to themselves and to steel.
352 ENiCrFe-7 N/A Weld NiCrFe alloy 690 (UNS N06690) to themselves.
C-276 ENiCrMo-4 N/A Weld C-276 to itself and most other nickel based alloys.
617 ENiCrCoMo-1 N/A Weld NiCrCoMo base material and join various dissimilar high temperature alloys.
803 ECuNi CuNi Weld wrought or cast 70/30, 80/20 and 90/10 copper nickel alloys.
Alloy 59 ENiCrMo-13 N/A Weld low-carbon NiCrMo alloys.
622 ENiCrMo-10 N/A Nickel-chromium-molybdenum alloy is used to weld low-carbon NiCrMo alloys.